[boost] Re: 1.31.0 regressions

From: David Abrahams (dave_at_[hidden])
Date: 2004-02-16 09:26:15

Beman Dawes <bdawes_at_[hidden]> writes:

> At 11:18 PM 2/12/2004, David Abrahams wrote:
>  >Beman Dawes <bdawes_at_[hidden]> writes:
>  >
>  >>  >3. Compile time may become very large for large test
>  >>  >    programs or heavy template usage. E.g. in one case,
>  >>  >    we had to split a test into three (Spirit's switch_p
>  >>  >    tests) in order to make testing feasible.
>  >>
>  >> It is hard to know the overall effect without accurate timings. My
>  >> personal belief is that on average the total time will drop. But we
>  >> need timings to know for sure.
>  >
>  >I still can't understand why we're focused on reducing testing time.
>
> The longer the tests take, the fewer times they can be cycled.
>
> That is a particular problem as a release nears. The release manager
> often has to delay some action pending the outcome of tests. Not a
> problem if the tests run quickly and cycle often. But when a test
> cycle takes 2 1/2 to 3 hours, as was common during the runup for
> 1.31.0, it adds days to the time it takes to finish a release.

But if we were only running the outdated tests, this would be much
less of an issue, right?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com